Patent US5396092A successfully refreshed from Google Patents.
Patent US2914991A successfully refreshed from Google Patents.
US2914991A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for copying work pieces
Assignee: Starrfrasmaschinen AG
•
Filing: 1957-07-02
•
Granted: 1959-12-01
•
Expires: 1977-07-02
Abstract
No abstract record available.
Inventors
- 👤 Scherrer Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:12
CPC Classifications
B; B24; B24B; B24B17/00; B23; B23Q; B23Q35/00; B23Q35/48; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/302968; Y10T409/303136
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |